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A. H. ECKARDT ET AL ELEVATOR FOR GRAIN, ETC

Original Filed March 23, 1929 Aug. 26, 1930;

Aug. 26, 1930.

A. H. ECKARDT ET AL ELEVATOR FOR GRAIN, ETC

Original Filed March 23, 1929 2 Sheets-Sheet 2 l6 for: egs.

3 tkr f L m m w w Z w o 5 ro r\ W M w p w 0 m /H wJ I. .r.\ Pn fl A, 2 1u u u 0 w n m A OD WM Reissuecl Au 26, 1930 UNITEDSTATES PATENT f AUGUSTH. noxannrann ENRY r. HARLOFF, or s'r. 1 ,AUL, MInNEsoTA, assionons moECKARDT MANUFACTURING com'nuvzor sr. .P'AUL, MINNESOTA, .9. 00320131;-

'IION nrnvn'ron FOR GRAIN, are.

Original N0. 1,747,471, dated February 18, 1930, Serial No.349,366,"fi1ed 'March'23, 1929. Application-i101 reissue filed May1,1930. Seria1'No."4=49,053.

Our invention relates :to .elevators .for grain, etc., and particularlyto elevators used forloading purposes. Among theobjects of theinventionare toi'provide an apparatus of this character which will. beparticularly strongand durable and .which may be readily set up for use.-Weaccomplish the objects of our invention by providing sets o fsheetmetal members, the members of each set being secured together inlongitudinal alinement'by joints Which-break joints with the "'ointsoftheother sets. Each set of members may consist of two -.or more membersaccording to the/length ofthe apparatus. It is to be understood thatwhile our elevator is intendedzparticularlyr for handling grain, it maybe used for handling. other material.

The full objects and;advantages1of our invention will appear. inconnection with: the detailed description. thereof, and the novelfeatures of our inventive ideavwill be particularly pointed out in theclaims.

In the accompanying drawings .which illustrate a practical embodimentofour invention,-.-

' Fig. l is, aside elevational viewzof the apparatus. Fig.2 is a.viewwon an enlarged scale in cross section on the line,22 ofFig. 1. Fig.3is a view on an enlarged scaleeincross section on the line 3-3 ofFig. 1. Fig. 4 is a view in longitudinal section of thelower portion oftheapparatus. Fig.5 isa topplan view, of the portion shown in Fig. 4.Fig. 6 is'a view in longitudinal section ofgthe upper portion of theapparatus. As shown in the drawings,'we provide a lower trough 'memberl0 and ,an 'upper trough member 12. These members are made of sheetmetaland at their upper sides have outturned flanges 14. Thetrough-members 10 and 12 are buttedtogether inilongitudinal alinementandsecured by. an outsideangle plate 16 whichfitsuponthebottom and sides ofthe members 10 and l2'at5the joint between these two members. Theplateul6 issecured in place bybolts 18.and it hasaoutturned flanges 20.which fit underneaththe flanges 14. Cover member's22and.24ofinvertedLU-shape are .provided with outturned 'flanges=;26..Guidemembers' 28-and 30 of U-shape areprovided'. with outturnedflanges-32 from. which flanges 34 extendwdownwardly. It..will" .be

observed that the j oint.betweenathemembers 10 and 12, the jointbetweenethe members '22 and "24," and the joint between the::members 28and 30 are all arranged so thattheybreak .joints with each other.Therfla nges132fit upon the flanges 14 while the flanges 26 :fit uponthe flanges 32. :BoltsBfipas through the flanges 14, .26 and .82-asiwillsbe obvious from Fig. 2. By referringto Fig;:3, it will ;beseenthat the bolts.36 als'opassthrou h-the flanges 20 of the securingplate 16. 1 'y rer ferring to Figs. 1, 4 and ;5, itwwilL-be seen that.the guide -member, 28 extends turther down than the cover member ,22.so ithatsat the lower-end, the bolts .36 pass throughthe flanges ,14,and32 only. At ;its:lower:end, the trough member 10 is provided \with:airend member 38 and is. held by any suitablessupport such asindicated-at 40. ;.A chutex42 is arranged, to deliver the materialintouthe lower end of the trough. At .ritsuppenend,

the trough member 12 is provided withza delivery opening 44 atits bottomandds also provided .with. an end Inember- 46vwhich :is extendedupwardly ,by means of a, plate 48 to which is connected an inclinedtopmeinber 50 which overlaps .with .thecovermember 24. At its upper end,the troughymember wiis held by anyvsuitable supportsueh as-.-indicatedat 52 in Fig. 1. -']3he,=tmaterial;discharged through the opening? 4..isrireceived in a chute- 54, for deliverymtoany desired place. Anendlessconveyoris provided-for the trough, this conveyor having the c'onstruction now to be; described. .Extending through the lower end. oft-hetroughuthere :is

a s aft 56..moun.t d in ;bear ngs;.i58 BJldJE'G source of power.

flanges fittingupon said first flanges, means i carried bythe support40. A pulley 62 secured to the shaft 56 is driven by a belt 64.

which in turn is driven from any suitable A sprocket chain 66is trainedaround a sprocket Wheel68 secured to the shaft 56, this sprocketchain-also being trained arounda sprocket wheel70 located near the upperend of the apparatus. The wheel 70 is secured to a shaft 72 passingthrough slots 74 in the upper end of the trough sothat the chain 66 maybe adjuSted by a take-up device 76 attached to the trough. Attached tothe chain 66' at intervals, there are a plurality of flights 78 which onthe lower stretch of the chain engage thebottom of the trough and conveythe material upwardly. The chain 66 on its upper stretch is supportedbythe guide members 28 and The operation andadvantages of ourin ventionwill be understood in connection with the foregoing description. Notonly is an elevator construction provided which is particularly strongand durable, but as will be apparent fromFigs. 1, 2and 3' of thedrawings, the walls of the elevator form a complete'enclosure lengthwisethereof so that regardless of the position and manner oflconstructing.theiinterior guide, the grain or other granularmaterial will not bespilled or thrown out as" it is being conveyed along the el'evatorbytheflights 78 of the conveyor.

We claim: :1. An jelevator for graincomprising a trough havingoutturnedflanges on its upper side, a U-shaped. guide havingfioutturned (forsecuring said flanges together, and an endless conveyor in said troughhaving its upper. stretch supportedby said guide,tsaid conveyorincluding flights which engage the bottom ofthetrough for the lowerstretch of the conveyor. i i

2. An elevator for" grain comprising a trough having outturned flangesonits upper. side, a U-shaped guide having outturned flanges? fitting uponsaid first flanges, an in verted" U-shaped cover having" outturnedflanges flttingupon said second flanges, means forsecuring all'of saidflanges together, and

an endless conveyor in said trough havingits upper stretch supported bysaid guide,

said conveyor including flights which engage the bottom of the troughfor the lower stretch of the conveyor.

'. Anj'elevator for grain comprising a trough consisting of at leasttwov members placed together in longitudinal alinement and havingoutturned flanges ontheir upper sides, on

an outside angle plate fitting over the 1 joint between said members,saidangle plate having outturned flanges fitting underneath 3 saidfirst'flanges, a U-shaped guide consisting of attleast two membersplaced together in longitudinal alinement andhaving outturnedflangesfitting upon said first flanges, anintrough having'outt'urned.flanges onits verted U-shaped cover consisting of at least two members placedtogether in longitudinal alinement and having outturned flanges fittingupon said last mentioned flanges, each of said sets of members beingplaced together in such manner that the joints of each set break ointswith the joints of the other sets, andan endless conveyor in said troughhaving its upper stretch'supportedby said guide members, said conveyorincluding flights which engage thebottom of-tlie trough for the lowerstretch of the conveyor.

v a 4., An elevator for grain comprising a upper side, a guide havingits longitudinal edges fitting upon said flanges, means for securingsaid'flanges and edges together respectively,

and -,an endless conveyor adapted to operate in said trough with itsupper stretch supportto operate min; said trough with its upper stretchsupported by saidhguide', said con veyorincluding flights which engagethe bottom of thetrough for the-- lower stretch of the-conveyor. i

6. An elevatorforl grain comprising a trough consisting of at least twomembers placed together in longitudinal alinement andhavingoutturnedflanges: on their upper si-des, an outside angleplatesecured over the ,joint between said members, a guide having itslongitudinal edges fitting upon said flanges, an inverted U-shaped coverhaving outturned flanges fitting uponusaidlongitudinal edges-means forsecuring'saidflanges and edges together respectively, and an endlessconveyor adapted to operate in said trough with its'upper stretchsupported by said "guide, said conveyor including flights which "engagethe-bottom of the troughafor the lower stretch of the conveyor.

, An elevator forf grain comprising a trough conslsting, of at' leasttwo members placed together in longitudinal alinement and havingoutturned flanges on their'upper sides, an outside angle platesecuredover the joint "between said members, a guide havingitslongitudinal edges fittingupon said" flanges," an inverted U=shapedcover y'consisting of at least 'twomembers placed together, in,longitudinal alinement and having outturned flanges fitting uponsaidlongitudinal'edgegmeans ,for securingsaid flanges and edges togetherrespectively, each ofsaid [sets of membersbeing placedtogether insuchmanner that the joints of each set break joints with the joints of theother set, and an endless conveyor in said trough having its upperstretch supported by said guide, said conveyor including flights Whichengage the bottom of the trough for the lower stretch of the conveyor.

In testimony whereof, We hereunto aflix our signatures. AUGUST H.EGKARDT.

HENRY F. HARLOFF.

